#2F5082
Closest named color: Dusk Blue (#26538D). oklch(43.1% 0.092 258.5), rgb(47, 80, 130).
Aa
White text reads best on this color (8.10:1).
About this color
#2F5082 is a dark, moderately saturated blue. In OKLCH its lightness is 43%, its chroma 0.092 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Dusk Blue (#26538D), ΔE 0.019 away. White text reads best on it, at 8.10:1.
| Hue family | Blues |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Dusk Blue (#26538D) |
| Black text | 2.59:1 |
| White text | 8.10:1 |
Values
| HEX | #2F5082 |
| RGB | rgb(47, 80, 130) |
| HSL | hsl(216, 47%, 35%) |
| OKLCH | oklch(43.1% 0.092 258.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #2F5082 | 8.10:1 | AAA | Lc -92.5 | Preferred for body text |
| Black text on #2F5082 | 2.59:1 | Fails | Lc 16.1 | Dividers and decoration only |
| #2F5082 text on white | 8.10:1 | AAA | Lc 87.9 | Fine for body text |
| #2F5082 text on black | 2.59:1 | Fails | Lc -14.3 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 800.
-
Step 50
50
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E4EAF5
oklch(93.6% 0.016 262.8)
-
Step 200
200
#CDDAED
oklch(88.4% 0.03 257.8)
-
Step 300
300
#ACC2E4
oklch(80.9% 0.054 259)
-
Step 400
400
#80A2D6
oklch(70.7% 0.085 258.7)
-
Step 500
500
#5F8ACB
oklch(63% 0.11 258.4)
-
Step 600
600
#4573B8
oklch(55.5% 0.119 258.3)
-
Step 700
700
#37609F
oklch(49.1% 0.112 258.7)
-
Step 800
800 (this color)
#2F5082
oklch(43.1% 0.092 258.5)
-
Step 900
900
#294267
oklch(37.7% 0.071 258)
-
Step 950
950
#18273C
oklch(27% 0.044 256.9)
#2F5082 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #3B5484 | 0.020 |
| Deuteranopia (no green cones) | #2F4C81 | 0.012 |
| Tritanopia (no blue cones) | #005B62 | 0.078 |
| Achromatopsia (no color) | #505050 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2F5082
#2F5082
oklch(43.1% 0.092 258.5)
- #6B4900
#6B4900
oklch(43.2% 0.09 78.2)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2F5082, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dusk Blue #26538D ΔE 0.019
- Light Navy #155084 ΔE 0.021
- Deep Sea Blue #015482 ΔE 0.029
- Light Navy Blue #2E5A88 ΔE 0.030
- Cobalt #1E488F ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.042
- Dusk #4E5481 ΔE 0.044
- Twilight #4E518B ΔE 0.045
Use #2F5082 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.